Projectile and means for firing said projectile



J. W. DARLEY, JR. PROJ'ECTIILE AND MEANS FOR FIRING SAID PROJECTILE.

e 29, 1920. s-snezr 1.

APPLICATION FILED MAY I2 1915.

Patented Jun 2 SHEET w W? m 4? UHNIIN kg i & M mm P i I. W. DARLEY Jn.PR'OJECTILE AND MEANS FOR FIRING SAID PROJECTILE.

Patented June 29, 1920.

2 SHEETSSHEET 2 'tivelyfsnialhthe Qangerareaf -is Small} For I thisr asg I "p ovid' a proj ct l hat l7 which i f he subje t f an appl qat o n.Lejtt rs ai tiof even date heresy m; Sa d" explosion logcilr's Whethersald @Ltemm n :of

u m rine boat, ham r co ht e f and unl s they' smuck the p, riscdpebf'fchejboail, th H H form of my 1m frovedv gun taken along thegonufwgmnmwm; or, ALTiMOkEQM-ARYLAND;1

rfipjnggingf in 03 FIRING SAID PRbJECTI I LE f Be'it isiaspecificationwV l invention .rela ts to impr'ovemej its in prflctiles and ineangs fprfiring salmeg leretofope, projectiles, when fix'edf'iata :1 have dicovere iha lfa 1 pro ectile is iven a"; i IiO 9 rotati n; as "herein, "dI scrihd; it will 1161i ricqcht bxit'will pliin e the hul 1 s d b at; 11' n ar h m i shap and. s h a inoime tithafi it i l pluhglej liiider mnilie oath I n ard fin n be m de .5 0 w l 1 6 p edetexm-inedam unt and1}. acpompl sh this result by a specially construstedifusey v #lme18-,.180fthe 'pIjO cislle-shown in F 1g) 4 Figur l "long udin l stiohBfb ,form Q01? my improved gun taken alor lg gthe plO-des when itsspfee' b ir ation alter a d s pfi di u toathe 'r is nQqQfj-the water;91'. td-the projflctil striking 'Sgudlbpat. j Henc lllcan p QducexplqsjiQpsj gam [Tb roducejf a prbjec'tileghav n g 311th ectile a m tionto prewilt hQIi Q n i -li mfro t vi w Qii e f lf pi-my hQ l in ",of thla row'; I

imp d. p bjecti e i Thdgun 30 isfprovl th reoif I One form I r shown inFig s .1'4; and;5.' It 13 spherical in 15; sr jal 27,617.

1 Fi is a s w w' o ia'f w d f rm-1 7 a new of (thelprdie sh wn.jqgtile'in the water;

F g. is a lqngitiudinal s'etibn of another tion ofthefarr Fig. 10 is aview ofth "Fig. 12 is a from View 2512 1 mm form of endpfft h gun asshOn-in 10. I

I In thgdrawingg 3O indicats' a gun barrelv which lm'aybe {of agysuitable material and f shap e',z mounte d in a y approved mam ner ziiidprovided with a bie'ch block 31 pefxnjtting fof the introdiiction: ofthe pro "j e ct'i'le 32 and p Wder 'chaige'33;

ded'with dcyliniiri- 'Fig. 16 isfan'enlaiged iri vv of the; muzzle C 713, @1101 be guided by i h he P vboie, an'dwith' dentatignsfBG atthqbottbm a fuse 57",, Whichi'ma'y' bebf any suitable,

typ and construction, and with 311 interior 'boss 58 adapted; to fit.altound' th e 1159,57

'mately observed'c'oursepf mjimpi 'oyd pro muzzllgepd ofaid ec til'e'323s further PIfOYidBdQWIth I ea. in

; jectile "and means-frmedjin thfe opposite of said gun and' mean s,onsaid-projectile forcooperating with said dentations to ro- 1tatesaidprojectile and ae'grooveon the 'opposite side of saidborecooperating'with said a I jec'tile, of dentations mutually inclined andextendinglongitudinally on one side of-the lftatiojn, whenv a lateralpressure; will be de- ,velop'e'd inthe5direction,ofthe zarrow 87 I (seeFigi ;which forces the projectile f V out of: the water along theapproximately 1 observed p'athin'FiguS. V I

I claiIn:- I 1. Thecombination with'a' gun having 'a' bore, of a wallsurrounding said ,bore'and a angles to the axis of saidgun; A

s. 2. The combination with a gun-barrelihaw ingia-bo're and j animperforate wall sur a is rounding said bore,-of means formed in saidthe'adjacent portion of a projectile I 3. The combination with a gun ofmeans for retarding the adjacent portion of a proside of said bore'forguiding said projectile.

4. Thecombination' with a un having a" boreand a projectile guided bysaid bore, of dentations'; on one siderof the'b'ore ofsaid gun and meanson'rsaid projectile for coop-e eratingwith said dentationslto rotatesaid-I projectile. a

m'eans to guide said projectile. I 6. The combination with a gun andprobore of said gun and means onsaid proto rotate said projectile.

" T7. The combination with a projectile; of a gun barrel having a boreand an imperforate wall surrounding said bore," 10f means formedin sa dwallonone s de of sa d bore \for retarding the adjacent portion of saidprojectile gs; The combinationi-witha projectilejof wall on one side ofsaid bore for'retarding flindrical bore and an imperforate wall sur-.roundingsaid bore, of dentations on one side formed in one side of thebore'of said gun 5.The combination with a i r as" ros v p 7 anglestoithefaxis ofsaid gun. V jectile of dentationsfon oneside' of thelbore-1 1a. The combination with jec'tile for cooperating .withsaididentationshaving ,ay bor'e f orguiding said proje'ctile, a wall, surrounding saidbore' and means formed-in said wall on one side'off said bore forrotating said "proj ectile around 7 anaxisj at right angles tothe axisof said J s Zgun, the speedofrotationof the periphery Y :Qofsaidprojectile'having a fixed ratio to the j linear speed .of'saidprojectile along the bore {plurality offmeans formed injthe wall-'of:--

said gun below the surfaee-ofsaid bore ,for rotating aprojectilearoundan'axis at right of said gun; a a

:and an imperforatelwall surrounding said bore,of dentations ononesideof said bore.

'10.,Ina gun, the combination vwith a bore, iofide'ntations on one sidef said'bore and a groove on thelopposite side of said bore. a all. In agun, the combination with a oyof saidbore' 9.1m gun, the combinationwithtabore a V I I 'f 12;. In agun, the combination with a ey -flindrical bore; of dentations onone "side of said bore and a groove onthe opposite side of said bore.

13. The-combinationywith a un, bf

spherical; projectilehaving a zone of mal-h i leablefmetallaroundthe'bo'dy thereof, said j rotate said projectile on an axis at :right iZone of metal cooperating with said gun to a m a spherical projectilehaving a zoneofmalleable metal surrounding said projectile, the

edges of said 'zone projecting beyond the" surface of saidprojectile,said zone of metal cooperating with said gun to rotate said I vprojectile on anfaxis at right angles to the ,7 axis of said gun. I

said bore and a plurality; of' dentations formed in said wall below, thesurface of -1 said-bore for rotating a projectile. I

I, r v s5 15. The combination with a gun having a f 4 I bore, of animperforate wall surrounding j I f. ignature

